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Related papers: Molecular Plasmon Hybridizition in Olefin Chains

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Strong coupling between molecules and quantized fields has emerged as an effective methodology to engineer molecular properties. New hybrid states are formed when molecules interact with quantized fields. Since the properties of these…

Chemical Physics · Physics 2023-06-28 Marco Romanelli , Rosario R. Riso , Tor S. Haugland , Enrico Ronca , Stefano Corni , Henrik Koch

We study the plasmonic properties of coupled noble-metal nanochains in the case of different number of coupled chains and doping by different transition-metal (TM) atoms within the time-dependent density-functional theory (TDDFT) approach.…

Mesoscale and Nanoscale Physics · Physics 2014-09-12 Neha Nayyar , Volodymyr Turkowski , Talat S. Rahman

Plasmonic nanocavities enable the confinement of molecules and electromagnetic fields within nano-metric volumes. As a consequence, the molecules experience a remarkably strong interaction with the electromagnetic field, to such an extent…

Chemical Physics · Physics 2021-09-01 Jacopo Fregoni , Tor S. Haugland , Silvio Pipolo , Tommaso Giovannini , Henrik Koch , Stefano Corni

We present full quantum mechanical calculations of the hybridized plasmon modes of two nanowires at small separation, providing real space visualization of the modes in the transition from the classical to the quantum tunneling regime. The…

Mesoscale and Nanoscale Physics · Physics 2013-06-27 Kirsten Andersen , Kristian L. Jensen , N. Asger Mortensen , Kristian S. Thygesen

Strong light-matter interactions in both the single-emitter and collective strong coupling regimes attract significant attention due to emerging quantum and nonlinear optics applications, as well as opportunities for modifying…

Mesoscale and Nanoscale Physics · Physics 2019-09-11 Tuomas P. Rossi , Timur Shegai , Paul Erhart , Tomasz J. Antosiewicz

Compared to single nanoparticles, strongly coupled plasmonic nanoparticles provide attractive advantages owing to their ability to exhibit multiple resonances with unique spectral features and higher local field intensity. These enhanced…

A plasmon is a collective excitation of electrons due to the Coulomb interaction. Both plasmons and single-particle excitations (SPEs) are eigenstates of bulk metallic systems and they are orthogonal to each other. However, in…

Mesoscale and Nanoscale Physics · Physics 2022-05-03 Tomohiro Yokoyama , Masayuki Iio , Takashi Kinoshita , Takeshi Inaoka , Hajime Ishihara

The plasmonic character of monolayer silicene is investigated by time-dependent density functional theory in the random phase approximation. The energy-loss function of the system is analyzed, with particular reference to its induced…

Strongly Correlated Electrons · Physics 2017-02-17 C. Vacacela Gomez , M. Pisarra , M. Gravina , P. Riccardi , A. Sindona

We propose a mechanism for magnon-plasmon coupling and hybridization in ferromagnetic (FM) and antiferromagnetic (AFM) systems. The electric field associated with plasmon oscillations creates a non-equilibrium spin density via the inverse…

Mesoscale and Nanoscale Physics · Physics 2023-07-26 Anna Dyrdał , Alireza Qaiumzadeh , Arne Brataas , Józef Barnaś

Hybridized energies in rectangular nanoparticles may display an unusual behaviour. In some cases, they get separated with increasing distance between the particles. In this note this phenomenon is explained by an analytic method.

Optics · Physics 2020-02-03 M. A. Kuntman , A. Kuntman , E. Kuntman

We propose and illustrate a quantum hydrodynamic (QHD) model for the description of plasmonic oscillations in the $\rm C_{60}$ molecule. Although simpler than competing approaches such as time-dependent density functional theory (TDDFT),…

Mesoscale and Nanoscale Physics · Physics 2018-11-14 Fatema Tanjia , Jerome Hurst , Paul-Antoine Hervieux , Giovanni Manfredi

Transport properties of a single plasmon interacting with a hybrid system composed of a semiconductor quantum dot (SQD) and a metal nanoparticle (MNP) coupled to one-dimensional surface plasmonic waveguide are investigated theoretically via…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Nam-Chol Kim , Myong-Chol Ko , Zhong-Hua Hao , Li Zhou , Jian-Bo Li , Qu-Quan Wang

The plasmon resonances (modes) of a metal nanostructure can be defined as a dipole, a quadrupole, or high-order modes depending on the surface charge distribution induced by the incident field. In a non-symmetrical environment or clusters,…

The plasmon hybridization theory is based on a quasi-electrostatic approximation of the Maxwell's equations. It does not take into account magnetic interactions, retardation effects, and radiation losses. Magnetic interactions play a…

Plasmons are fundamental excitations of metals which can be described in terms of electron dynamics, or in terms of the electromagnetic fields associated with them. In this work we develop a quantum description of plasmons in a double layer…

Mesoscale and Nanoscale Physics · Physics 2023-08-31 Luis Brey , H. A. Fertig

We calculate the quantum state of the plasmon field excited by an ensemble of molecular emitters, which are driven by exchange of electrons with metallic nano-particle electrodes. Assuming identical emitters that are coupled collectively to…

Optics · Physics 2016-07-20 Yuan Zhang , Klaus Mølmer , Volkhard May

We demonstrate strong coupling between molecular excited states and surface plasmon modes of a slit array in a thin metal film. The coupling manifests itself as an anti-crossing behavior of the two newly formed polaritons. As the coupling…

Mesoscale and Nanoscale Physics · Physics 2012-08-17 Adi Salomon , Robert J. Gordon , Yehiam Prior , Tamar Seideman , Maxim Sukharev

We study the formation of hybrid plasmon-magnon modes in a heterostructure comprising a monolayer semiconductor with strong Rashba spin-orbit coupling -- specifically, Janus transition-metal dichalcogenides (TMDs) -- and an insulating…

Mesoscale and Nanoscale Physics · Physics 2026-02-06 Cooper Finnigan , Mehdi Kargarian , Dmitry K. Efimkin

Plasmon hybridization between closely spaced nanoparticles yields new hybrid modes not found in individual constituents, allowing for the engineering of resonance properties and field enhancement capabilities of metallic nanostructure.…

Optics · Physics 2016-10-13 Jingjing Zhang , Zhen Liao , Yu Luo , Xiaopeng Shen , Stefan A. Maier , Tie Jun Cui

Molecular aggregates on plasmonic nanoparticles have emerged as attractive systems for the studies of cavity quantum electrodynamics. They are highly tunable, scalable, easy to synthesize and offer sub-wavelength confinement, all while…

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